>* 在捕获阶段中,事件到达节点的顺序与冒泡阶段恰好相反
<!--点击 inner view 会先后调用handleTap2、handleTap4、handleTap3、handleTap1-->
<view id="outer" bind:touchstart="handleTap1" capture-bind:touchstart="handleTap2">
  outer view
  <view id="inner" bind:touchstart="handleTap3" capture-bind:touchstart="handleTap4">
    inner view
  </view>
</view>